Product Description
SMC SY5540-5D Pneumatic Solenoid Valve
The SMC SY5540-5D is a high-performance 5-port, pilot-operated solenoid valve belonging to the highly reliable SY5000 series. Engineered for precision in industrial pneumatic control systems, this double solenoid valve operates efficiently using a standard 24 VDC coil. It is equipped with convenient manual override switches (blue push/lock buttons) on both solenoid heads, allowing operators to easily test, troubleshoot, or perform emergency actuations without requiring electrical power. Its compact, base-mounted design ensures excellent flow rates, low power consumption, and rapid response times, making it an ideal choice for advanced factory automation and manufacturing equipment.
Technical Specifications:
- Brand: SMC
- Model: SY5540-5D
- Product Series: SY5000 Series
- Valve Type: 5-Port, Pilot-Operated
- Actuation Type: Double Solenoid
- Operating Voltage: 24 VDC
- Electrical Entry: DIN Terminal (Type D)
- Manual Override: Push-turn locking type (Blue buttons)

SMC SY5540-5D Pneumatic Solenoid Valve
Optimize your industrial automation with the SMC SY5540-5D Pneumatic Solenoid Valve. This compact, 5-port pilot-operated double solenoid valve features a 24VDC coil and built-in manual overrides for reliable, high-speed pneumatic control. Ideal for efficient factory automation systems.





